 United Kingdom: Birmingham - Doubles - Main |
|---|
| 1/16-finals | Stevenson A./Webb V. | Kostanic T. J./Pisnik T. | 2:1 (4:6, 6:3, 6:4) | details | 12.06.2000 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Kostanic T. J./Pisnik T. | Rubin C./Testud S. | 0:2 (4:6, 2:6) | details | 29.05.2000 |
 Croatia: Bol - Doubles - Main |
|---|
| Semi-finals | Kostanic T. J./Pisnik T. | Krizan T./Srebotnik K. | 0:2 (1:6, 62:7) | details | 05.05.2000 |
| Quarter-finals | Krivencheva S./Matevzic M. | Kostanic T. J./Pisnik T. | 0:2 (5:7, 2:6) | details | 03.05.2000 |
| 1/8-finals | Kostanic T. J./Pisnik T. | Black C./Selyutina I. | 2:0 (6:1, 6:3) | details | 01.05.2000 |
 USA: Miami - Doubles - Main |
|---|
| 1/16-finals | Kostanic T. J./Pisnik T. | Likhovtseva E./Morariu C. | 0:2 (2:6, 1:6) | details | 24.03.2000 |
| 1/32-finals | Kostanic T. J./Pisnik T. | de Swardt M./Kruger J. | 2:1 (7:5, 3:6, 7:5) | details | 20.03.2000 |
| USA: Indian Wells - Doubles - Main |
|---|
| 1/16-finals | Kostanic T. J./Pisnik T. | Halard-Decugis J./Sugiyama A. | 0:2 (5:7, 0:6) | details | 13.03.2000 |
| France: Paris - Doubles - Main |
|---|
| Quarter-finals | Kostanic T. J./Pisnik T. | Boogert K./Oremans M. | 1:2 (6:3, 3:6, 3:6) | details | 09.02.2000 |
| 1/8-finals | Habsudova K./Likhovtseva E. | Kostanic T. J./Pisnik T. | 0:2 (3:6, 2:6) | details | 07.02.2000 |
 Australia: Australian Open - Doubles - Main |
|---|
| 1/32-finals | Kostanic T. J./Pisnik T. | De Beer S./Kandarr J. | 1:2 (5:7, 6:4, 6:8) | details | 17.01.2000 |
 Thailand: Pattaya - Doubles - Main |
|---|
| Quarter-finals | Kostanic T. J./Pisnik T. | Loit E./Carlsson A. | 1:2 (6:4, 2:6, 4:6) | details | 17.11.1999 |
| 1/8-finals | Kostanic T. J./Pisnik T. | De Lone E./Ellwood A. | 1:1 RET. (2:6, 6:1) | details | 15.11.1999 |
 Indonesia: Kuala Lumpur - Doubles - Main |
|---|
| Final | Hiraki R./Yoshida Y. | Kostanic T. J./Pisnik T. | 1:2 (6:3, 2:6, 4:6) | details | 14.11.1999 |
| Semi-finals | Kostanic T. J./Pisnik T. | Courtois L./Molik A. | 2:1 (0:6, 7:63, 7:5) | details | 12.11.1999 |
| Quarter-finals | Grande R./Plischke S. | Kostanic T. J./Pisnik T. | 0:2 (61:7, 4:6) | details | 10.11.1999 |
| 1/8-finals | Schneider C./Talaja S. | Kostanic T. J./Pisnik T. | 1:2 (62:7, 7:67, 1:6) | details | 08.11.1999 |
 Luxembourg: Luxembourg - Doubles - Main |
|---|
| Quarter-finals | Spirlea I./Vis C. | Kostanic T. J./Pisnik T. | 2:0 (6:3, 7:65) | details | 23.09.1999 |
| 1/8-finals | Barnes A./Krasnoroutskaya L. | Kostanic T. J./Pisnik T. | 0:2 (66:7, 5:7) | details | 20.09.1999 |
